While working for the Manitocas Gas & Light Company, Joseph Eastman teamed up with
Karl O. Muehlberg to create The M.E. Manufacturing Company. Muehlberg took care of
the factory and Eastman was responsible for sales. The first hose connection patented
to our knowledge was in 1916, pat# CA168658.
Eastman continued as the manager of Manitocas Gas & Light Company until 1918. It
is assumed that Eastman worked past time as salesman for The M.E. Manufacturing Company
during this time.
Joseph Eastman records his first patent for a hose coupling.
Karl Muehlberg and Joseph Eastman separated. Both men created their own companies.
Eastman Manufacturing Company had over 200 different hose couplings.
Eastman Manufacturing merged with Imperial Brass.
Mark IV Automotive (Dayco) buys Imperial Eastman Company
Original Mfg. Facility From 1920’s in the Process of being torn Down.
Produced various couplings for Hydraulic Brake Industry, etc.
GB Series Fittings Produced for 1 wire hose. Brass 1 piece fitting. Fabrication took
6 seconds. This fitting is still used today on 3/16 Grease Whip Hoses. Also used
on Kubota Tractors.
Swage Coupling similar to old Couplamatic Samuel Moore Coupling was used.